A former U.S. attorney general says the two men police say are behind the deadly Boston Marathon bombings likely had help in the attack. “I don’t believe they couldn’t have done what they did without technical assistance building the bomb and without…spiritual encouragement,” Michael Mukasey, the former U.S. attorney general under George W. Bush, told Fox News. Mukasey added that he thinks the belief that the bombers only followed a rulebook from the Internet “doesn’t do it” for him. Mukasey joins a growing number of officials who say Boston Marathon bombing suspects Dzhokhar Tsarnaev, 19, and his older brother, Tamerlan,...